*{
    margin: 0 auto;
    padding: 0;
    font-family: 'Microsoft YaHei', serif;
}

body {
    padding: 0;
    width: 80%;
    margin-left: 10%;
}
.grid {
    height: 150px;
    text-align: center;
}
.grid .grid-demo {
    height: 120px;
    font-size: 50px;
    line-height: 120px;
}

.grid .grid-text {
    height: 30px;
}